Java技巧：快速获取图片拍摄时间

erDiagram
    读取图片拍摄时间 --> 获取图片文件
    读取图片拍摄时间 --> 读取EXIF信息
    读取EXIF信息 --> 解析拍摄时间

String imagePath = "path/to/image.jpg";
File imageFile = new File(imagePath);

<dependency>
    <groupId>com.drewnoakes</groupId>
    <artifactId>metadata-extractor</artifactId>
    <version>2.16.0</version>
</dependency>

try {
    Metadata metadata = ImageMetadataReader.readMetadata(imageFile);
    ExifSubIFDDirectory directory = metadata.getFirstDirectoryOfType(ExifSubIFDDirectory.class);
    Date date = directory.getDate(ExifSubIFDDirectory.TAG_DATETIME_ORIGINAL);
} catch (ImageProcessingException | IOException e) {
    e.printStackTrace();
}

SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy:MM:dd HH:mm:ss");
String shootTime = dateFormat.format(date);

System.out.println("图片的拍摄时间：" + shootTime);

import java.io.File;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;

import com.drew.imaging.ImageMetadataReader;
import com.drew.metadata.Metadata;
import com.drew.metadata.exif.ExifSubIFDDirectory;
import com.drew.metadata.exif.ExifIFD0Directory;
import com.drew.metadata.exif.ExifReader;

public class ImageMetadataExample {
    public static void main(String[] args) {
        String imagePath = "path/to/image.jpg";
        File imageFile = new File(imagePath);

        try {
            Metadata metadata = ImageMetadataReader.readMetadata(imageFile);
            ExifSubIFDDirectory directory = metadata.getFirstDirectoryOfType(ExifSubIFDDirectory.class);
            Date date = directory.getDate(ExifSubIFDDirectory.TAG_DATETIME_ORIGINAL);

            SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy:MM:dd HH:mm:ss");
            String shootTime = dateFormat.format(date);

            System.out.println("图片的拍摄时间：" + shootTime);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}